[Webkit-unassigned] [Bug 50126] Fallback content in canvas element not focusable

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50126





--- Comment #38 from Ryosuke Niwa <rniwa at webkit.org>  2012-02-14 09:48:17 PST ---
Sorry, maybe my comment was too terse.

What I meant is that we can get rid of the RenderReplaced and use the shadow DOM to implement replaced elements instead. For example, in the case of the cavas element, we'll attach a special shadow DOM that "implements the canvas" by default. The fallback content is shown iff the shadow DOM isn't attached and the innate DOM is shown.

HTMLCanvasElement -> ShadowRoot -> some-special-element/renderer, inaccessible from ES5
|
v
fallback contents (accessible from DOM, focus, etc... would just work when shown)

That way, we don't need to have all sorts of crazy hacks we have in RenderReplaced and friends today.

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